Sign



FIG. 1 is a front elevation view of a sign showing my new design, the rear elevation view being a mirror image thereof;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a top plan view thereof; and

FIG. 5 is a bottom plan view thereof.

The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for a sign, as shown and described. 